Lightweight is an understatement, or maybe an overstatement... Let's just say that it doesn't get any lighter than this. The Extralite UltraRear SX Rear Hub is just about the lightest roadworthy rear cassette hub on the planet. Learn More

Lightweight is an understatement, or maybe an overstatement... Let's just say that it doesn't get much lighter than this. The Extralite UltraRear SLX Rear Hub is just about the lightest roadworthy rear cassette hub on the planet. Learn More